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ORANJESTAD, Aruba (CNN) -- Authorities probing the disappearance of missing Alabama teenager Natalee Holloway arrested the DJ of a popular party boat Friday morning and searched his home.

A prosecutor's spokeswoman, Mariaine Croes, in keeping with Aruban law, identified him only by his initials, S.G.C. She said he was born July 21, 1978.

CNN spoke with his next-door neighbor, who identified himself as Rufo Solognier. He identified the person arrested as his nephew Steve Croes and described him as a quiet, divorced father of a 2-year-old son.

The prosecutor's office said there is no relationship between its spokeswoman and the suspect, and that the name "Croes" in Aruba is about as common as "Smith" in the United States.

Solognier said he did not know of any connection between Croes and the three others in custody.

Croes' boss on the Tattoo cruise ship, Marcus Williams, told CNN the boat generally does not go out on Sunday nights.

Even when the boat does go out on Sundays, it returns by midnight, Williams said.

The boat docks about 300 meters, or about 1,000 feet, from the Holiday Inn where Holloway was staying.

It was about 1:30 a.m. Monday May 30 that Holloway was last seen leaving the nightclub Carlos'N Charlie's with three young men, police said. (Full story)

Police commissioner Jan Van Der Straten said Croes' arrest came after he was named by one of the three suspects being held.

No charges have been filed against Joran Van Der Sloot, 17; Deepak Kalpoe, 21; and his brother, Satish Kalpoe, 18.

They were arrested June 9, and their attorneys say they maintain their innocence.

They are the three men seen with Holloway when she was leaving that nightclub, police said.